package com.nj.liandi.gulimall.auth.controller;

import com.alibaba.fastjson.TypeReference;
import com.nj.liandi.common.constant.AuthServerConstant;
import com.nj.liandi.common.exception.BizeCodeEnume;
import com.nj.liandi.common.utils.R;
import com.nj.liandi.common.vo.MemberRespVo;
import com.nj.liandi.gulimall.auth.feing.MemberFeignService;
import com.nj.liandi.gulimall.auth.feing.ThirdPartFeignService;
import com.nj.liandi.gulimall.auth.vo.UserLoginVo;
import com.nj.liandi.gulimall.auth.vo.UserRegistVo;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;
import javax.validation.Valid;
import java.util.*;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

@Controller
public class LoginController {

    @Autowired
    ThirdPartFeignService thirdPartFeignService;

    @Autowired
    StringRedisTemplate template;

    @Autowired
    MemberFeignService memberFeignService;

    @ResponseBody
    @PostMapping("/sms/sendcode")
    public R sendCode(@RequestParam("phone") String phone){
        String rediscode = template.opsForValue().get(AuthServerConstant.SMS_CODE_CACHE_PREFIX + phone);
        if (!StringUtils.isEmpty(rediscode)) {
            long l = Long.parseLong(rediscode.split("_")[1]);
            if (System.currentTimeMillis() - l <60000) {
                return R.error(BizeCodeEnume.SMS_CODE_EXCEPTION.getCode(),BizeCodeEnume.SMS_CODE_EXCEPTION.getMessage());
            }
        }
        String code = UUID.randomUUID().toString().substring(0, 5);
        String redisCode = code+"_"+System.currentTimeMillis();
        template.opsForValue().set(AuthServerConstant.SMS_CODE_CACHE_PREFIX+phone,redisCode,3, TimeUnit.MINUTES);
        thirdPartFeignService.sendCode(phone,code);
        return R.ok();
    }

    @GetMapping("/login.html")
    public String loginPage(HttpSession session){
        Object attribute = session.getAttribute(AuthServerConstant.LOGIN_USER);
        if (attribute ==null) {
            return "login";
        }else {
            return "redirect:http://gulimall.com";
        }
    }


    @PostMapping("/regist")
    public String regist( @Valid  UserRegistVo vo, BindingResult result, RedirectAttributes redirectAttributes) {
        if (result.hasErrors()) {
            Map<String, String> errors = result.getFieldErrors().stream().collect(Collectors.toMap(FieldError::getField, fieldError -> {
                return fieldError.getDefaultMessage();
            }));
//            model.addAttribute("errors",errors);
            redirectAttributes.addFlashAttribute("errors", errors);
            return "redirect:http://auth.gulimall.com/reg.html";
        }
        String code = vo.getCode();
        String s = template.opsForValue().get(AuthServerConstant.SMS_CODE_CACHE_PREFIX + vo.getPhone());
        if (StringUtils.isNotEmpty(s)) {
            if (code.equals(s.split("_")[0])) {
                template.delete(AuthServerConstant.SMS_CODE_CACHE_PREFIX + vo.getPhone());
                R r = memberFeignService.regist(vo);
                if (r.getCode() == 0) {
                    return "redirect:http://auth.gulimall.com/login.html";
                } else {
                    Map<String, Object> errors = new HashMap<>();
                    errors.put("msg",r.getData("msg",new TypeReference<String>(){}));
                    redirectAttributes.addFlashAttribute("errors", errors);
                    return "redirect:http://auth.gulimall.com/reg.html";
                }
            } else {
                Map<String, String> errors = new HashMap<>();
                errors.put("code", "验证码错误");
                redirectAttributes.addFlashAttribute("errors", errors);
                return "redirect:http://auth.gulimall.com/reg.html";
            }
        } else {
            Map<String, String> errors = new HashMap<>();
            errors.put("code", "验证码错误");
            redirectAttributes.addFlashAttribute("errors", errors);
            return "redirect:http://auth.gulimall.com/reg.html";
        }
    }

    @PostMapping("/login")
    public String login(UserLoginVo vo, RedirectAttributes redirectAttributes, HttpSession session){

        R r = memberFeignService.login(vo);
        if (r.getCode()==0) {
            MemberRespVo data = r.getData("data", new TypeReference<MemberRespVo>() {
            });
            session.setAttribute(AuthServerConstant.LOGIN_USER,data);
            return "redirect:http://gulimall.com";
        }else {
            Map<String,String> errors = new HashMap<>();
            errors.put("msg",r.getData("msg",new TypeReference<String>(){}));
            redirectAttributes.addFlashAttribute("errors",errors);
            return "redirect:http://auth.gulimall.com/login.html";
        }
    }

}
